JSON parser tip in C

debugcn 에 게시 Dev

testspace

first of all i know there are lots of lists out there and over the last 3 days i probably checked out 10+ free json-parsers. The reason I am still looking is probably because I didn't find working examples / infos / whatnot to get what i want working quite simply. I'm quite sure that this will end up being reported as reask but nevertheless i beg for someone with JSON in C expierence to give me a quick tip since this would probably safe me hours of googling and looking into an API where i need about 10 lines of code or something.

The data is passed as a string delimered with a ','

JSON Data (Array)
string, string, int (Array)

Username,Password,2.4.0

Basically all i need is an api which offers something similar as

[SWF] JSON->Stringify();

["Username","Password","2.4.0"]

Sorry if you consider that an annoying repost but thanks for reading anyway.

What I want to do in C

enter image description here

testspace

Ended up with something like this. Just posting in case someone comes across something similar. Anyway I ended up using frozen JSON parser for parsing and json-parser for validating.

BOOL IsNumber(const char *string)
{
    char *pch;
    pch = string;
    while (*pch != '\0')
    {
        if (!isdigit(*pch)) return FALSE;
        pch++;
    }
    return TRUE;
}

char* test(const char *Data)
{
    char *retVal = NULL;
    char *buffer;
    char *ptr;
    int len;

    buffer = (char*)malloc(strlen(Data) + 1);
    strcpy(buffer, Data);
    ptr = strtok(buffer, ",");
    if (ptr)
    {
        len = 2;
        retVal = (char*)malloc(2);
        strcpy(retVal, "[");
        do
        {
            len += strlen(ptr) + 1;
            if (IsNumber(ptr))
            {
                retVal = (char*)realloc(retVal, len);
                sprintf(retVal, "%s%s,", retVal, ptr);
            }
            else
            {
                len += 2;
                retVal = (char*)realloc(retVal, len);
                sprintf(retVal, "%s\"%s\",", retVal, ptr);
            }
            ptr = strtok(NULL, ",");
        }
        while (ptr != NULL);
        retVal[len - 2] = ']';
    }
    free(buffer);
    return retVal;
}

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에서 수정2021-06-1

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